Step 1.
- Chill a coupe glass.
Step 2.
- In a shaker, add the whiskey, lemon juice, simple syrup, and aromatic bitters.
Step 3.
- Fill the shaker with ice and shake vigorously for about 15 seconds.
Step 4.
- Strain the mixture into the chilled coupe glass.
Step 5.
- Garnish with a twist of lemon peel.